Alert archive / Louisiana / Tornado Warnings in 2000

Tornado Warning 34, NWS Shreveport, LA

April 23, 2000Caddo Parish, Louisiana

NWS Shreveport, LA issued this tornado warning at Apr 23, 2000, 7:10 PM CDT for Caddo Parish, Louisiana. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 23, 2000, 7:10 PM CDT (00:10 UTC)
Expired: Apr 23, 2000, 8:10 PM CDT
In force: 60 min
Issued by: NWS Shreveport, LA
Area: Whole counties

County Caddo Parish, LA

The radar

The Shreveport radar (KSHV), 15 km from the middle of the area, began a volume at 00:11 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 23, 4:00 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 0.2 hours before the alert went out and 17 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1042 J/kg
Mixed-layer CIN: -107 J/kg
Mixed-layer LCL: 1141 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 368 m²/s²
0-3 km storm-relative helicity: 558 m²/s²
Significant tornado parameter: 2.0
Supercell composite: 11.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS54 KSHV 240012
TORSHV
LAC017-240110-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
710 PM CDT SUN APR 23 2000

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  CADDO PARISH IN LOUISIANA

* UNTIL 810 PM CDT

* AT 710 PM CDT...SPOTTERS REPORTED A TORNADO OVER CROSS LAKE OR 
ACROSS NORTHERN SECTIONS OF SHREVEPORT...MOVING EAST NEAR 15 MPH.
RESIDENTS ACROSS THE NORTHERN HALF OF SHREVEPORT NEED TO TAKE 
COVER IMMEDIATELY.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

IF YOU ARE IN A MOBILE HOME...ABANDON IT FOR A STURDY BUILDING OR GET
IN A DITCH OR CULVERT. MOBILE HOMES PROVIDE NO PROTECTION IN A
TORNADO.

REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
FOR...
  CADDO PARISH IN LOUISIANA
UNTIL 810 PM CDT.

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 23, 7:00 PM CDT	Severe Thunderstorm Warning	SHV	Red River	45 min
Apr 23, 7:06 PM CDT	Severe Thunderstorm Warning	SHV	Caddo	39 min
Apr 23, 7:16 PM CDT	Tornado Warning	SHV	Red River	59 min
Apr 23, 7:17 PM CDT	Tornado Warning	SHV	Lincoln	58 min
Apr 23, 7:21 PM CDT	Tornado Warning	SHV	Bossier	54 min
Apr 23, 7:25 PM CDT	Tornado Warning	SHV	Bienville	65 min
Apr 23, 7:51 PM CDT	Tornado Warning	SHV	Natchitoches	54 min
Apr 23, 7:56 PM CDT	Severe Thunderstorm Warning	SHV	De Soto	64 min
Apr 23, 8:22 PM CDT	Tornado Warning	SHV	Jackson, Lincoln, Ouachita	53 min
Apr 23, 8:37 PM CDT	Tornado Warning	SHV	Grant, Winn	53 min
Apr 23, 8:41 PM CDT	Tornado Warning	SHV	Union	19 min
Apr 23, 9:00 PM CDT	Tornado Warning	SHV	Union	15 min
Apr 23, 9:12 PM CDT	Severe Thunderstorm Warning	SHV	LaSalle	48 min
Apr 23, 9:18 PM CDT	Severe Thunderstorm Warning	SHV	Ouachita	42 min
Apr 23, 9:20 PM CDT	Severe Thunderstorm Warning	SHV	Sabine	40 min
Apr 23, 9:24 PM CDT	Severe Thunderstorm Warning	SHV	Natchitoches, Winn	36 min
Apr 23, 9:30 PM CDT	Severe Thunderstorm Warning	SHV	Caldwell	30 min

Nearby

Tornado Warnings in Louisiana, 2000 Every tornado warning in 2000 Tornadoes in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.